PHP Array count() Function6 Jan 2025 | 1 min read The count( ) function is an inbuilt function of PHP, and it is used to count the elements of an array or the properties of an object. This function was introduced in PHP 4.0. SyntaxParameters
ReturnThe count( ) function returns the number of elements in an array. Example 1Output: 5 Example 2Output: 3 Example 3Output: 7 Example 4Output: 4 Next TopicPhp-array-countvalues-function |
The array_uintersect_uassoc( ) is an inbuilt function of PHP. The array_uintersect_uassoc() function uses two user-defined functions to compare the keys and values of two or more arrays, and returns the matches. This function was introduced in PHP 5.0. Syntax array array_uintersect_uassoc ( array $array1 , array $array2...
1 min read
The array_diff_assoc() function is used to compare an array against another array and returns the difference. In other words, we can say that array_diff_assoc() function compares the keys and values of two or more arrays and return an array that contains the entries from array1...
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PHP array diff_ukey() Function The array_diff_ukey() is an inbuilt function in PHP. The array_diff_ukey() function compares the keys of two or more arrays with a user-defined function, and returns an array that contains the entries from array1 that are not present in array2 or array3, etc. This...
2 min read
PHP krsort() Function The PHP krsort( ) function is used to sort the array elements by the key in descending order. It is mainly used in the associative array. This function was introduced in PHP 4.0. Syntax bool krsort ( array &$array [, int $sort_flags = SORT_REGULAR ]...
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The array_keys() function is used to get all the keys or a subset of the keys of an array. It returns the keys, numeric and string, from the input array. This function was introduced in PHP 4.0. Syntax array_keys(array1,value,strict); Parameter Parameter Description Is compulsory array Specifies an array. compulsory search_value Specify a value, then only the...
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The array_key_last( ) function is used to get the last key of an array. This function was introduced in PHP 7.3.0 Syntax mixed array_key_last ( array $array ); Parameters Parameter Description Is compulsory array Specifies the array. compulsory Return Values The array_key_last( ) function returns the last key of the array if the array is not...
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PHP current() Function The current( ) function is an inbuilt function of PHP, and it is used to return the value of the current element in an array. This function was introduced in PHP 4.0. Syntax mixed current ( array $array ); Parameters Parameter Description Is compulsory array Specifies the array to use. compulsory Return Values The...
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PHP ksort() Function The PHP ksort() sorts an associative array in ascending order, according to the key. It is mainly used for an associative array. This function was introduced in PHP 4.0. Syntax bool ksort ( array &$array [, int $sort_flags = SORT_REGULAR ] ); Parameter Parameter Description Is compulsory array Specifies the array...
1 min read
The array_search() function is an inbuilt function of PHP. It is used to search the array against the given value. The function returns the first corresponding key if successful. This function was introduced in PHP 4.0.5. Syntax mixed array_search ( mixed $needle , array $haystack [, bool...
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PHP key() Function The key( ) function returns the element key from the current internal pointer position. This function was introduced in 4.0. Syntax mixed key ( array $array ); Parameter Parameter Description Is compulsory array Specifies the array to use. compulsory Returns The key( ) returns the key of the array element that is currently being...
1 min read
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